all of them are strong candidates, only one will be chosen for the post.A. SinceB. WhileC.

发布时间：2020-08-16 18:05:08

    all of them are strong candidates, only one will be chosen for the post.                                
A. Since
B. While
C. If
D. As

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A. Since
(答案→)B. While
C. If
D. As
解析： 考查连词。Since 由于，既然；While尽管；If 如果；As尽管。句子前后是转折关系所以排除A,C;as当尽管讲时，引导让步状从要用倒装结构，而    all of them are strong candidates,是正常语序，所以选B。
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